If the weight of 12 books is 4.8 kg, then the weight of 15 such books will be ___ kg.
4.8
0.4
6
1.2
Given, weight of 12 books = 4.8 kg
∴ Weight of 1 book = 4.812 kg = 0.4 kg
⇒ Weight of 15 books = 15 × Weight of 1 book
= 0.4 × 15 kg
= 6 kg
Question 8
The weight of 72 books is 9kg. What is the weight of 40 such books?